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 * Copyright (c) <2016-2018>, <Huawei Technologies Co., Ltd>
 * All rights reserved.
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/*----------------------------------------------------------------------------
 * Notice of Export Control Law
 * ===============================================
 * Huawei LiteOS may be subject to applicable export control laws and regulations, which might
 * include those applicable to Huawei LiteOS of U.S. and the country in which you are located.
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#include <string.h>
#include <stdlib.h>
#include <osport.h>


#include <app_main.h>

#include "adc.h"   //smoke sensor is binded to the adc

//do the light intensity report
static s32_t smoke_report(u8_t *buf, s32_t buflen)
{
    s32_t ret = 0;
    u16_t value;
    /****************smoke******************/
    HAL_ADC_Start(&hadc1);
    HAL_ADC_PollForConversion(&hadc1, 50);
    value = HAL_ADC_GetValue(&hadc1);
    
    buf[0] = value>>8;
    buf[1] = value;
    printf("\r\n******************************MQ2 Value is  %d\r\n",value);
    ret = 2;
    
    return ret;
}

bool_t app_smoke_report()
{
    bool_t ret = true;
    
    MX_ADC1_Init();
    
    ret = app_register("appsmoke",en_app_direction_report,en_app_msgid_smoke,\
          smoke_report,2);

    return ret;
}









